/tags/ubuntu/ Recent content in Ubuntu on My Blogs Hugo en-us Fri, 20 Mar 2026 00:00:00 +0000 /posts/setting-up-cloudflare-ddns-on-ubuntu-for-dynamic-home-ip/ Fri, 20 Mar 2026 00:00:00 +0000 /posts/setting-up-cloudflare-ddns-on-ubuntu-for-dynamic-home-ip/ <hr> <p>title: Setting up Cloudflare DDNS on Ubuntu using cloudflare-ddns-updater date: 2026-03-20 draft: false tags:</p> <ul> <li>cloudflare</li> <li>ddns</li> <li>homelab</li> <li>ubuntu</li> <li>automation</li> </ul> <hr> <h2 id="-problem">🧩 Problem</h2> <p>My home network uses a dynamic public IP address, which changes periodically. This breaks remote access to my self-hosted services.</p> <hr> <h2 id="-solution-overview">🛠️ Solution Overview</h2> <p>I used an open-source tool (cloudflare-ddns-updater) to automatically update my Cloudflare DNS records whenever my public IP changes.</p> <hr> <h2 id="-environment">🔧 Environment</h2> <ul> <li>Ubuntu Server (DDNS host)</li> <li>Cloudflare domain</li> <li>API Token with DNS edit permissions</li> <li>Git installed</li> </ul> <hr> <h2 id="-step-1-create-cloudflare-api-token">🚀 Step 1: Create Cloudflare API Token</h2> <ol> <li>Log in to Cloudflare</li> <li>Go to <strong>My Profile → API Tokens</strong></li> <li>Create a token with: <ul> <li>Zone → DNS → Edit</li> <li>Zone Resources → Specific Zone (your domain)</li> </ul> </li> </ol> <p>Save the token securely.</p>